#!/bin/bash
# KernelPanel Universal Installer Bootstrap Script
# https://install.kernelpanel.com

set -e

# Define color codes for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

echo -e "${GREEN}Starting KernelPanel Installation Bootstrap...${NC}"

# Check for root privileges
if [ "$EUID" -ne 0 ]; then
  echo -e "${RED}Error: Please run this script as root (sudo bash install.sh)${NC}"
  exit 1
fi

# Detect OS
if [ -f /etc/os-release ]; then
  . /etc/os-release
  OS=$ID
  VER=$VERSION_ID
else
  echo -e "${RED}Error: Cannot detect OS. /etc/os-release not found.${NC}"
  exit 1
fi

echo -e "Detected OS: ${YELLOW}${OS} ${VER}${NC}"

# Define the base URL for scripts
BASE_URL="https://install.kernelpanel.com"

# Determine the correct script based on OS and version
SCRIPT_URL=""

case "$OS" in
  ubuntu)
    if [ "$VER" == "24.04" ]; then
      SCRIPT_NAME="install-ubuntu-24.04.sh"
    else
      echo -e "${RED}Error: Ubuntu version ${VER} is not currently supported by KernelPanel.${NC}"
      echo "Supported versions: 24.04"
      exit 1
    fi
    ;;
  *)
    echo -e "${RED}Error: OS '${OS}' is not currently supported by KernelPanel.${NC}"
    exit 1
    ;;
esac

SCRIPT_URL="${BASE_URL}/${SCRIPT_NAME}"

# Temporary file for the downloaded script
TMP_SCRIPT=$(mktemp)

echo -e "${GREEN}Downloading installation script for your OS...${NC}"
if ! curl -sSL -f "$SCRIPT_URL" -o "$TMP_SCRIPT"; then
    echo -e "${RED}Error: Failed to download the installation script from ${SCRIPT_URL}${NC}"
    rm -f "$TMP_SCRIPT"
    exit 1
fi

# In a production environment, you would also download a checksum file and verify it here
# Example:
# curl -sSL "${SCRIPT_URL}.sha256" -o "${TMP_SCRIPT}.sha256"
# sha256sum -c "${TMP_SCRIPT}.sha256"

echo -e "${GREEN}Executing the installation script...${NC}"
bash "$TMP_SCRIPT"

# Clean up
rm -f "$TMP_SCRIPT"